(39) Determination of the Optimum Species for Ohio Tree Liner Production in Retractable Roof Greenhouses
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چکیده
منابع مشابه
Retractable roof structures
j This paper presents a new concept for retractable roof structures. The new structures consist of a foldable lattice of beams connected by cylindrical joints, to which covering panels or membranes are attached. These structures fold towards their perimeter and there is practically no limit to their shape. Solutions to the key problems that have to be solved in the course of the kinematic desig...
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Shape Optimization of Cover Plates for Retractable Roof Structures
Department of Engineering, University of Cambridge Trumpington Street, Cambridge CB2 1PZ, U.K. Abstract The optimal shape of cover plates for circular, symmetric retractable roof structures based on a grid of multi-angulated rods connected by revolute joints is considered. It is assumed that these cover plates are co-planar, and hence they are not allowed to overlap in any configuration; they a...
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ژورنال
عنوان ژورنال: HortScience
سال: 2006
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.41.4.1026d